(6.4.1)--Chapter6Secludedandbeautifulcany.pdf
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1、Secluded and beautiful canyonGeoscience LandscapeExploration,Aesthetics and CultureSecluded and beautiful canyonChapter 6Chapter 6 Secluded and beautiful canyonSecluded and beautiful canyonSecluded and beautiful canyonOutline:1.Introduction2.Canyon and canyon landscape3.Formation and type of Canyon4
2、.Natural aesthetic characteristics ofcanyon5.Appreciation of Canyon cultureSecluded and beautiful canyon1.IntroductionCanyons generally attach to mountainsTheantithesisandbalanceoflandscapeaesthetics between mountains and valleysMountain-tall and masculineCanyon quiet and deepSecluded and beautiful
3、canyonSecluded and beautiful canyon2.The concept of Canyon Chinese character xia,pictophoneticcharacter Chinese character Gu,hieroglyph In Geoscience,the canyon is a narrow and deep valley with a certain scale and a steep slope.Secluded and beautiful canyonIt is generally developed in the areas of t
4、ectonic uplift and valley slope composed of hard rock.When the uplift velocity of the ground is in harmony with the undercutting,the canyon is easy to form.2.The concept of CanyonSecluded and beautiful canyon2.The concept of CanyonCanyon and river valleyCanyon landscapeSecluded and beautiful canyon
5、Formation of Canyon1)Material foundation:hard rock2)Landscape creation by endogeneticforces:design the location,direction,scale,etc.of the canyon3)Landscape creation by endogeneticforces:carving,processing and scale3.Formation and type of CanyonSecluded and beautiful canyon Formation of Canyon Class
6、ification according to cause:earthquake canyon,river erosion canyon Profile shape:U,V shape Whether there is regular running water Rock properties3.Formation and type of CanyonSecluded and beautiful canyonThe steep and straight depth of the valley slope is far greater than the width of the canyon.Fr
7、om the cross section,it is often in the shape of U,so it is also called U valley.They are generally formed by river erosion or glacier erosion in early mountain rivers in areas where structural joints are developed.Narrow gorge3.Formation and type of CanyonSecluded and beautiful canyonTaroko Gorge,T
8、aiwanThe abundant stream of Liwu River eroded downward continuously,and the marble layer with a thickness of more than 1000m was cut open,which exposed the marble layer,forming the U-shaped canyon between the Tarokoon the East-West Cross-Island Highway and Tianxiang.Secluded and beautiful canyonOnce
9、 a heavy rain falls on the mountain,a raging stream will form in the valley.It continuously expands the extent of side erosion,and the valley(U shape)is also constantly eroding and collapsing and developing toward the V shape valley.Secluded and beautiful canyon Gully3.Formation and type of CanyonIt
10、 is a canyon with deep and narrow valley and large slope.From the section,it is wide at the top and narrow at the bottom.It is mostly V-shaped,so it is also called V-shaped valley.Secluded and beautiful canyon Scenery of the Three Gorges3.Formation and type of CanyonWhen the water eroded Canyon cont
11、inuously cuts through the fold structure,the wide valley and Canyon appear alternately.Secluded and beautiful canyon Two wonders of canyon“Yixiantian”3.Formation and type of CanyonSecluded and beautiful canyon3.Formation and type of CanyonSecluded and beautiful canyon Two wonders of canyon“Bujiantia
12、n”3.Formation and type of CanyonSecluded and beautiful canyon4.Natural aesthetic characteristicsof canyon The ornamental value of canyon MajesticSecluded and beautiful canyon4.Natural aesthetic characteristicsof canyon The ornamental value of canyon PrecipitousSecluded and beautiful canyon4.Natural
13、aesthetic characteristicsof canyon The ornamental value of canyon PrecipitousSecluded and beautiful canyonOn March 20,2007,the air Overpass was officially unveiled.It is 1200 meters from the ground.The horseshoe shaped steel structure bridge extends 21 meters out of the cliff.The bridge deck is made
14、 of 10 cm thick reinforced transparent glass.The whole bridge weighs about 485 tons and is about 3 meters wide.It can accommodate 120 tourists at the same time.Walking on the bridge,it looks like walking in the cloud.Secluded and beautiful canyonOn March 20,2007,the air Overpass was officially unvei
15、led.It is 1200 meters from the ground.The horseshoe shaped steel structure bridge extends 21 meters out of the cliff.The bridge deck is made of 10 cm thick reinforced transparent glass.The whole bridge weighs about 485 tons and is about 3 meters wide.It can accommodate 120 tourists at the same time.
16、Walking on the bridge,it looks like walking in the cloud.Secluded and beautiful canyonOn March 20,2007,the air Overpass was officially unveiled.It is 1200 meters from the ground.The horseshoe shaped steel structure bridge extends 21 meters out of the cliff.The bridge deck is made of 10 cm thick rein
17、forced transparent glass.The whole bridge weighs about 485 tons and is about 3 meters wide.It can accommodate 120 tourists at the same time.Walking on the bridge,it looks like walking in the cloud.Secluded and beautiful canyon4.Natural aesthetic characteristicsof canyon The ornamental value of canyo
18、n BeautifulSecluded and beautiful canyon4.Natural aesthetic characteristicsof canyon The ornamental value of canyon QuietSecluded and beautiful canyon4.Natural aesthetic characteristicsof canyon The ornamental value of canyon PeculiarSecluded and beautiful canyon The aesthetic characteristics of Can
19、yon division in China Western China:large scale,deep and majestic Central:combination of precipitous and beautiful,colorful East:relatively small scale,delicate,quiet and beautiful4.Natural aesthetic characteristicsof canyonSecluded and beautiful canyon5.Appreciation of Canyon culture Bizarre cognit
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